Digital Electronics Interview Questions and Answers
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Ques 1. What is the difference between combinational and sequential circuits?
Combinational circuits have no memory, while sequential circuits have memory elements.
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Ques 2. Explain the concept of flip-flops in digital circuits.
Flip-flops are digital storage elements used to store binary information. They have two states: 0 and 1.
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Ques 3. What is the purpose of a multiplexer?
A multiplexer is used to select one of many input data lines and direct it to a single output.
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Ques 4. Differentiate between synchronous and asynchronous counters.
Synchronous counters use a common clock signal for all flip-flops, while asynchronous counters do not.
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Ques 5. Explain the working principle of a shift register.
A shift register is a cascade of flip-flops where the data is shifted through the register in one direction.
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- Explain the concept of flip-flops in digital circuits.
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